7290928739 has 2 divisors, whose sum is σ = 7290928740. Its totient is φ = 7290928738.

The previous prime is 7290928693. The next prime is 7290928751. The reversal of 7290928739 is 9378290927.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 7290928739 - 2²⁰ = 7289880163 is a prime.

It is a super-2 number, since 2×7290928739² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (7290928789) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3645464369 + 3645464370.

It is an arithmetic number, because the mean of its divisors is an integer number (3645464370).

Almost surely, 2^7290928739 is an apocalyptic number.

7290928739 is a deficient number, since it is larger than the sum of its proper divisors (1).

7290928739 is an equidigital number, since it uses as much as digits as its factorization.

7290928739 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3429216, while the sum is 56.

The square root of 7290928739 is about 85386.9354116893. The cubic root of 7290928739 is about 1939.0735594054.

The spelling of 7290928739 in words is "seven billion, two hundred ninety million, nine hundred twenty-eight thousand, seven hundred thirty-nine".